Twin tray blank



FIG. 1 is a top plan view of a twin tray blank showing my new design;

FIG. 2 is a front elevation thereof; the rear elevation being a mirror image;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a right side elevation thereof; the left side elevation being a mirror image.

The solid lines in the top and bottom plan views represent through cut lines in the blank structure and the dashed lines in the top plan view represent fold lines. 

The ornamental design for twin tray blank, as shown and described. 